PR 15276: Add $_caller_is, $_caller_matches, $_any_caller_is, $_any_caller_matches

gdb/ChangeLog:

	PR 15276
	* NEWS: Mention $_caller_is, $_caller_matches, $_any_caller_is,
	$_any_caller_matches.
	* data-directory/Makefile.in (PYTHON_FILE_LIST): Add caller_is.py.
	* python/lib/gdb/function/caller_is.py: New file.

gdb/testsuite/ChangeLog:

	PR 15276
	* gdb.python/py-caller-is.c: New file.
	* gdb.python/py-caller-is.exp: New file.

gdb/doc/ChangeLog:

	PR 15276
	* gdb.texinfo (Convenience Funs): Document $_caller_is,
	$_caller_matches, $_any_caller_is, $_any_caller_matches.

2 files changed, 114 insertions, 0 deletions

diff --git a/gdb/testsuite/gdb.python/py-caller-is.c b/gdb/testsuite/gdb.python/py-caller-is.c
new file mode 100644
index 0000000..2c86388
--- /dev/null
+++ b/gdb/testsuite/gdb.python/py-caller-is.c
@@ -0,0 +1,41 @@
+/* This testcase is part of GDB, the GNU debugger.
+
+   Copyright 2012-2014 Free Software Foundation, Inc.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+static void
+bottom_func (void)
+{
+  return; /* Break bottom_func here.  */
+}
+
+static void
+middle_func (void)
+{
+  bottom_func ();
+}
+
+static void
+top_func (void)
+{
+  middle_func ();
+}
+
+int
+main ()
+{
+  top_func ();
+  return 0;
+}
diff --git a/gdb/testsuite/gdb.python/py-caller-is.exp b/gdb/testsuite/gdb.python/py-caller-is.exp
new file mode 100644
index 0000000..23c58ea
--- /dev/null
+++ b/gdb/testsuite/gdb.python/py-caller-is.exp
@@ -0,0 +1,73 @@
+# Copyright (C) 2012-2014 Free Software Foundation, Inc.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# This file is part of the GDB testsuite.  It tests the convenience
+# functions in caller_is.py.
+
+load_lib gdb-python.exp
+
+standard_testfile
+
+if { [prepare_for_testing ${testfile}.exp ${testfile} ${srcfile}] } {
+    return -1
+}
+
+if ![runto_main] {
+    return 0
+}
+
+# Skip all tests if Python scripting is not enabled.
+if { [skip_python_tests] } { continue }
+
+gdb_breakpoint "bottom_func"
+gdb_continue_to_breakpoint "bottom_func"
+
+proc test_all_caller_is_fns { } {
+    gdb_test "p \$_caller_is (\"bottom_func\", 0)" " = 1"
+    gdb_test "p \$_caller_is (\"middle_func\")" " = 1"
+    gdb_test "p \$_caller_is (\"top_func\")" " = 0"
+    gdb_test "p \$_caller_is (\"middle_func\", 2)" " = 0"
+    gdb_test "p \$_caller_is (\"top_func\", 2)" " = 1"
+    gdb_test "p \$_caller_is (\"foo\", 100)" " = 0"
+    gdb_test "p \$_caller_is (\"foo\", -1)" "nframes must be >= 0"
+
+    gdb_test "p \$_caller_matches (\"^bottom\", 0)" " = 1"
+    gdb_test "p \$_caller_matches (\"^middle_\")" " = 1"
+    gdb_test "p \$_caller_matches (\"^top_\")" " = 0"
+    gdb_test "p \$_caller_matches (\"^middle_\", 2)" " = 0"
+    gdb_test "p \$_caller_matches (\"^top_f\", 2)" " = 1"
+    gdb_test "p \$_caller_matches (\"foo\", 100)" " = 0"
+    gdb_test "p \$_caller_matches (\"foo\", -1)" "nframes must be >= 0"
+
+    gdb_test "p \$_any_caller_is (\"bottom_func\", 0)" " = 1"
+    gdb_test "p \$_any_caller_is (\"middle_func\")" " = 1"
+    gdb_test "p \$_any_caller_is (\"top_func\")" " = 0"
+    gdb_test "p \$_any_caller_is (\"middle_func\", 2)" " = 1"
+    gdb_test "p \$_any_caller_is (\"top_func\", 2)" " = 1"
+    gdb_test "p \$_any_caller_is (\"main\", 100)" " = 1"
+    gdb_test "p \$_any_caller_is (\"foo\", 100)" " = 0"
+    gdb_test "p \$_any_caller_is (\"foo\", -1)" "nframes must be >= 0"
+
+    gdb_test "p \$_any_caller_matches (\"^bottom\", 0)" " = 1"
+    gdb_test "p \$_any_caller_matches (\"^middle_\")" " = 1"
+    gdb_test "p \$_any_caller_matches (\"^top_\")" " = 0"
+    gdb_test "p \$_any_caller_matches (\"^middle_\", 2)" " = 1"
+    gdb_test "p \$_any_caller_matches (\"^top_f\", 2)" " = 1"
+    gdb_test "p \$_any_caller_matches (\"^main\", 100)" " = 1"
+    gdb_test "p \$_any_caller_matches (\"foo\", 100)" " = 0"
+    gdb_test "p \$_any_caller_matches (\"foo\", -1)" "nframes must be >= 0"
+}
+
+test_all_caller_is_fns